[Smogger]

There must be more to this story. My understanding of Catholic teachings is that a respirator may qualify as "extraordinary means" and it would not be euthanasia to turn it off.

[Coleus]

So long as food, water, air and hygeine are provided; I think the church allows the plug to be pulled.  

 

The Karen Ann Quinlan case in NJ sparked the church's and modern medicine's bioethics.  The church allowed the parents to "pull the plug".  She lived for almost 10 years after that.